package org.springblade.modules.admin.controller;


import cn.hutool.json.JSONObject;
import cn.hutool.json.XML;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import lombok.extern.slf4j.Slf4j;
import me.chanjar.weixin.mp.api.WxMpMessageRouter;
import me.chanjar.weixin.mp.api.WxMpService;
import me.chanjar.weixin.mp.bean.message.WxMpXmlMessage;
import me.chanjar.weixin.mp.bean.message.WxMpXmlOutMessage;
import org.apache.commons.lang3.StringUtils;
import org.springblade.core.tool.api.R;
import org.springblade.modules.admin.dto.WxServiceMsgDto;
import org.springblade.modules.admin.entity.UserWeixin;
import org.springblade.modules.admin.service.UserWeixinService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;
import java.util.List;
import java.util.Map;

/**
 * @Date 16:40 2022/9/15
 * @Description {
 * 微信回调
 * }
 * @Author lsay
 **/
@Slf4j
@RestController
@RequestMapping("/user/wx/subscribe")
public class UserWeiXinController {

	@Autowired
	private UserWeixinService userWeixinService;
	@Autowired
	private WxMpService wxService;
	@Autowired
	private WxMpMessageRouter messageRouter;

	@GetMapping(produces = "text/plain;charset=utf-8")
	public String authGet(
//		@PathVariable String appid,
							 @RequestParam(name = "signature", required = false) String signature,
							 @RequestParam(name = "timestamp", required = false) String timestamp,
							 @RequestParam(name = "nonce", required = false) String nonce,
							 @RequestParam(name = "echostr", required = false) String echostr) {

		log.info("接收到来自微信服务器的认证消息：[{}, {}, {}, {}]", signature, timestamp, nonce, echostr);
		if (StringUtils.isAnyBlank(signature, timestamp, nonce, echostr)) {
			throw new IllegalArgumentException("请求参数非法，请核实!");
		}

//		if (!this.wxService.switchover(appid)) {
//			throw new IllegalArgumentException(String.format("未找到对应appid=[%s]的配置，请核实！", appid));
//		}

		if (wxService.checkSignature(timestamp, nonce, signature)) {
			return echostr;
		}

		return "非法请求";
	}

	@PostMapping(produces = "application/xml; charset=UTF-8")
	public String post(
//		@PathVariable String appid,
						  @RequestBody String requestBody,
						  @RequestParam("signature") String signature,
						  @RequestParam("timestamp") String timestamp,
						  @RequestParam("nonce") String nonce,
						  @RequestParam("openid") String openid,
						  @RequestParam(name = "encrypt_type", required = false) String encType,
						  @RequestParam(name = "msg_signature", required = false) String msgSignature) {
		log.info("接收微信请求：[openid=[{}], [signature=[{}], encType=[{}], msgSignature=[{}],"
				+ " timestamp=[{}], nonce=[{}], requestBody=[\n{}\n] ",
			openid, signature, encType, msgSignature, timestamp, nonce, requestBody);

//		if (!this.wxService.switchover(appid)) {
//			throw new IllegalArgumentException(String.format("未找到对应appid=[%s]的配置，请核实！", appid));
//		}

		if (!wxService.checkSignature(timestamp, nonce, signature)) {
			throw new IllegalArgumentException("非法请求，可能属于伪造的请求！");
		}

		String out = null;
		if (encType == null) {
			// 明文传输的消息
			WxMpXmlMessage inMessage = WxMpXmlMessage.fromXml(requestBody);
			WxMpXmlOutMessage outMessage = this.route(inMessage);
			if (outMessage == null) {
				return "";
			}

			out = outMessage.toXml();
		} else if ("aes".equalsIgnoreCase(encType)) {
			// aes加密的消息
			WxMpXmlMessage inMessage = WxMpXmlMessage.fromEncryptedXml(requestBody, wxService.getWxMpConfigStorage(),
				timestamp, nonce, msgSignature);
			log.debug("消息解密后内容为：{} ", inMessage.toString());
			WxMpXmlOutMessage outMessage = this.route(inMessage);
			if (outMessage == null) {
				return "";
			}

			out = outMessage.toEncryptedXml(wxService.getWxMpConfigStorage());
		}

		log.debug("组装回复信息：{}", out);
		return out;
	}

	private WxMpXmlOutMessage route(WxMpXmlMessage message) {
		try {
			return this.messageRouter.route(message);
		} catch (Exception e) {
			log.error("路由消息时出现异常！", e);
		}
		return null;
	}


}
